C7.1 Engines for Caterpillar Built Machines Caterpillar


Turbocharger

Usage:

525D 2L5


Illustration 1g03348168
Typical example

(1) Tighten the studs to the following torque. ... 18 N·m (13 lb ft)

(2) Tighten the nuts to the following torque. ... 44 N·m (32 lb ft)

Refer to table 1 for the test pressure for the wastegate actuator (3)

Table 1
Engine kW  The pressure for the wastegate actuator 
90 to 152 kW  60 kPa (9 psi) 
153 to 186 kW  65 kPa (9.4 psi) 

The movement for the rod actuator ... 1 mm (0.0394 inch)

(4) Tighten the bolt to the following torque. ... 33 N·m (24 lb ft)



Illustration 2g03348170
Typical example

(5) ( 6) ( 7) Tighten the bolts to the following torque. ... 22 N·m (16 lb ft)



Illustration 3g03348161
Typical example

(8) Tighten the bolts that secure the exhaust elbow (if equipped) to the following torque. ... 44 N·m (32 lb ft)

Caterpillar Information System:

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